19670178

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 25949022

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 43, 58, 66, 86, 87, 129, 174, 239, 258, 319, 473, 478, 638, 717, 946, 957, 1247, 1419, 1434, 1914, 2494, 2629, 2838, 3741, 5258, 6931, 7482, 7887, 10277, 13717, 13862, 15774, 20554, 20793, 27434, 30831, 41151, 41586, 61662, 76241, 82302, 113047, 152482, 226094, 228723, 298033, 339141, 457446, 596066, 678282, 894099, 1788198, 3278363, 6556726, 9835089, 19670178]

約数ペア:

[(1, 19670178), (2, 9835089), (3, 6556726), (6, 3278363), (11, 1788198), (22, 894099), (29, 678282), (33, 596066), (43, 457446), (58, 339141), (66, 298033), (86, 228723), (87, 226094), (129, 152482), (174, 113047), (239, 82302), (258, 76241), (319, 61662), (473, 41586), (478, 41151), (638, 30831), (717, 27434), (946, 20793), (957, 20554), (1247, 15774), (1419, 13862), (1434, 13717), (1914, 10277), (2494, 7887), (2629, 7482), (2838, 6931), (3741, 5258)]